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The current IFUNC selection is always using the most recent features which are available via AT_HWCAP. But in some scenarios it is useful to adjust this selection. The environment variable: GLIBC_TUNABLES=glibc.cpu.hwcaps=-xxx,yyy,zzz,.... can be used to enable HWCAP feature yyy, disable HWCAP feature xxx, where the feature name is case-sensitive and has to match the ones used in sysdeps/loongarch/cpu-tunables.c. Signed-off-by: caiyinyu <caiyinyu@loongson.cn> |
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| .. | ||
| bits | ||
| fpu | ||
| lp64 | ||
| nofpu | ||
| nptl | ||
| sys | ||
| __longjmp.S | ||
| abort-instr.h | ||
| bsd-_setjmp.c | ||
| bsd-setjmp.c | ||
| configure | ||
| configure.ac | ||
| cpu-tunables.c | ||
| dl-audit-check.h | ||
| dl-get-cpu-features.c | ||
| dl-irel.h | ||
| dl-link.sym | ||
| dl-machine.h | ||
| dl-tls.h | ||
| dl-trampoline.h | ||
| dl-trampoline.S | ||
| dl-tunables.list | ||
| e_sqrtl.c | ||
| fpu_control.h | ||
| hp-timing.h | ||
| Implies | ||
| jmpbuf-offsets.h | ||
| jmpbuf-unwind.h | ||
| ldsodefs.h | ||
| libc-tls.c | ||
| linkmap.h | ||
| machine-gmon.h | ||
| Makefile | ||
| math_private.h | ||
| math-use-builtins-ffs.h | ||
| preconfigure | ||
| preconfigure.ac | ||
| setjmp.S | ||
| sfp-machine.h | ||
| sotruss-lib.c | ||
| stackinfo.h | ||
| start.S | ||
| tininess.h | ||
| tst-audit.h | ||
| tst-hwcap-tunables.c | ||